Home / 18,065.45-24,931.29-10,107.20

Finding the Fourth Proportional to 18,065.45, 24,931.29 and 10,107.20

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Solution

The fourth proportional to 18,065.45, 24,931.29 and 10,107.20 is: 13,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.45 : 24,931.29 = 10,107.20 : x
  2. Step 2: Convert to fraction form
    18,065.45/24,931.29 = 10,107.20/x
  3. Step 3: Cross multiply
    18,065.45x = 24,931.29 × 10,107.20
  4. Step 4: Simplify right side
    18,065.45x = 251,985,409.63
  5. Step 5: Solve for x
    x = 251,985,409.63/18,065.45
  6. Step 6: Final answer
    x = 13,948.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.